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02-05-2013, 03:06 PM | #1 |
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Stirring the "When to change oil" pot
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02-05-2013, 04:18 PM | #2 |
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Re: Stirring the "When to change oil" pot
When my hour meter reaches ______
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02-05-2013, 04:32 PM | #3 |
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Re: Stirring the "When to change oil" pot
I have steering mast holders for the tiny tach. $35.00 + $5.80 usps.
Last edited by miss victoria; 02-05-2013 at 04:47 PM. Reason: add picture |
02-05-2013, 04:36 PM | #4 | |
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Re: Stirring the "When to change oil" pot
Quote:
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02-05-2013, 04:57 PM | #5 | |
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Re: Stirring the "When to change oil" pot
Quote:
And your point is??? parrticularly among Model A owners with no oil filters and many using non-detergent oil. |
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02-05-2013, 05:51 PM | #6 |
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Re: Stirring the "When to change oil" pot
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02-05-2013, 07:35 PM | #7 |
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Re: Stirring the "When to change oil" pot
I change oil in my 31 coupe when the oil turns black, some times at 300 miles, some times at 450, on my newer cars I change it at around 6ooo-7000 miles, aprox. twice a year, you gotta give your 80 year old car a little TLC.
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02-05-2013, 09:04 PM | #8 |
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Re: Stirring the "When to change oil" pot
I have 2 Model A's, The coupes oil gets changed at around 1000 miles and the roadster between 300 to 500. they both have rebuilt engines with around 8000 miles. For some reason the Roadsters oil gets dirty early so it gets changed. I always use 15/40 Carquest.
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02-05-2013, 10:48 PM | #9 |
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Re: Stirring the "When to change oil" pot
I change the oil on both my A,s every 1,000 miles-no filter.The oil still looks clean on dip stick,but I would rather not wait until oil looks dirty before changing.I know I could go longer between changes,but I have also been able to drive over 75,000 miles on a used engine that had many miles on it before I got it & it was still running good when I sold the car.If looked after & driven sensibly,babbit will last a long time.
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02-06-2013, 02:52 AM | #10 |
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Re: Stirring the "When to change oil" pot
I restored a Model A in 1966 and did a considerable mileage in it, much of it at relatively high speeds 50-60mph.
I don't recall changing the oil, just topping it up and then we used re-refined oil which was basically discarded oil from garages and fleets that was refined again. Never any problems with bearings etc. And when you strip down an old motor and see the extent of the sludge, it's amazing that they kept running |
02-06-2013, 08:18 AM | #11 |
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Re: Stirring the "When to change oil" pot
My oil is in a constant state of change, leak a quart, add a quart.
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02-06-2013, 09:42 AM | #12 |
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Re: Stirring the "When to change oil" pot
Once a year. rather it needs it or not. non-detergent 40w better oils now days than back then.
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02-06-2013, 09:48 AM | #13 |
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Re: Stirring the "When to change oil" pot
This is a good link and relevant to our modern cars. On Model A's with no filter and without the modern tolerances, I am not so sure. I didn't see anything about length of time. It used to be 6 months or X,000 miles. Has that changed, too?
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02-06-2013, 09:50 AM | #14 |
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Re: Stirring the "When to change oil" pot
It may make sense to get an oil analysis, too, depending upon the cost. Has anyone done this?
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02-06-2013, 10:00 AM | #15 |
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Re: Stirring the "When to change oil" pot
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02-06-2013, 10:32 AM | #16 |
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Re: Stirring the "When to change oil" pot
My BIL did tha twith his farm machinery. As an ex-Navy mechanic he did it religiously and and found that his JD had metal fragments in the oil. Couldn't do anything about the bearings until afeter the harvest. It didn't last that long.
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02-06-2013, 08:35 PM | #17 |
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Re: Stirring the "When to change oil" pot
I agree with Tom. Don Garlits once said that cranks are cheaper than engines, bearings are cheaper than cranks, and oil's cheaper than bearings. Sooo, just change the oil. Modern oils are infinitely better than what Henry had (excluding non-detergents of course; they should never be used) with antioxidants, corrosion inhibitors, detergent/dispersants, blah, blah. If your oil's turning dark it means the dispersants are doing their job of keeping crap (particles of combustion, etc.) in suspension so they can be drained. It's probably best to change the oil at the end of the touring season just before storage so that your crankcase has fresh additives in it. That way, if you start the engine during storage for short periods, say to charge the battery, the water and fuel dilution that will find its way into the oil can be neutralized. With year-old oil, additives will be depleted and may not do the good things they should. $0.02.
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